Through Sling App

  1. Launch the Sling app:
  2. Tap the Menu button in the top right of the screen (three horizontal lines)
  3. Tap Settings

    iOS

    ios TV Settings

    Android

    android TV Settings
  4. Tap Over-the-Air to see the AirTV device name on the list

    iOS

    Over the Air IOS TV Settings

    Android

    android TV Settings
  5. Tap Rescan local channels, then follow the onscreen instructions

    iOS

    Rescan local channels IOS TV Settings

    Android

    Rescan local channels TV Settings